What Timing Do you guys run on your 12a
05-24-07, 07:10 PM
#3
Also, this might be a stupid question, but does the port on the motor affect what timing you should use on the motor??? (I.E I have a 1/2 bridge ported motor)
Another question, why not run stock timing specs on the 12a motor? 0L, 20T
Why run the 24L and 16T
Thanks guys!
Ryan
05-24-07, 07:22 PM
#5
I am sure it is a tad bit lower, but not noticable by me. But the front air damn completey goes with the line of the car. It doesn't look 'out of place' at all, if that's what you are concerned with.
Also, this might be a stupid question, but does the port on the motor affect what timing you should use on the motor??? (I.E I have a 1/2 bridge ported motor)
Another question, why not run stock timing specs on the 12a motor? 0L, 20T
Why run the 24L and 16T
Thanks guys!
Ryan
Also, this might be a stupid question, but does the port on the motor affect what timing you should use on the motor??? (I.E I have a 1/2 bridge ported motor)
Another question, why not run stock timing specs on the 12a motor? 0L, 20T
Why run the 24L and 16T
Thanks guys!
Ryan
as for the non stock timing, go here: http://www.yawpower.com/pultime.html
I dont know much about how it would affect with port and whatnots though.
05-24-07, 07:29 PM
#6
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05-26-07, 06:52 AM
#10
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Once the timing has been set, get the vac advance hooked back up. Use the nipple furthest forward at the base of the carb to feed both vacuum pots.
05-26-07, 08:37 AM
#11
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i looked at the above links and following the responses from yall but i still don't understand.
how do you know its 24btc on pulley? what markings do you use? aren't the marking on the pulley for ATC.
wouldnt it be easier to adjust at idle? like set iut at 2btc at idle for leading that way by 4-6k rpm its 24btc???
05-28-07, 12:22 AM
#14
Well, they don't differeniate between a 1/2 bridgeport or a full. Their specs they have listed are for racing purposes and thats the only specs they give in the bridgeport category.
Street port specs are completly different.
When I have run stock port motors with aftermarket carbs with no rats nest I have never run vacuum advance on them ever.
Street port specs are completly different.
When I have run stock port motors with aftermarket carbs with no rats nest I have never run vacuum advance on them ever.
05-28-07, 02:09 AM
#16
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There's no vacuum advance at WOT so it doesn't do much from a performance perspective. All it does is improve response and fuel economy under light throttle conditions.
05-28-07, 12:25 PM
#17
Just wondering,
Ryan
05-28-07, 11:42 PM
#20
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Thanks for the update on your situation, and I'm glad to hear that you got the same results that I did.
I had mine hooked up to a different nipple, and had goofy idle issues and had to blip the throttle before taking off to avoid stalling it. Having it on the correct nipple makes it feel like I just had a couple of extra "cylinders" kick in. The car feels muscular, lol. It's hard to describe but it is definitely torque that you're getting more of.
I had mine hooked up to a different nipple, and had goofy idle issues and had to blip the throttle before taking off to avoid stalling it. Having it on the correct nipple makes it feel like I just had a couple of extra "cylinders" kick in. The car feels muscular, lol. It's hard to describe but it is definitely torque that you're getting more of.
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